Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion

Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 1 (Q.No. 35)
35.
Thermal conductivity of water __________ with rise in temperature.
remains same
decreases
increases
may increase or decrease depending upon temperature
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
23 comments Page 3 of 3.

Pali Rosha said:   1 decade ago
In Liquids thermal conductivity decreases with increase in temperature (except water) due to decreases in density with increase in temperature.

BHARAT said:   1 decade ago
You are right @Avinash because due to hydrogen bonding it increases up to 113 C and then decreases with rise in temp.

Awinash kumar said:   1 decade ago
Water is exception about the theory that k of liquid decreases with rise in temperature?


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